The Dura Faucet DF-SA170-BK is a fantastic product to add to the exterior of your RV. This product shows its usefulness when you are the type of person that needs to wash off yourself or your muddy shoes. Thus resulting in less dirt and mud being dragged into your RV. Dura Faucet built in a trickle valve that allows you to easily save water while the unit is on. This unit also features a lock with a key so you can have peace of mind that nobody will have access to your water supply when you are not watching it.